28016947241 has 8 divisors (see below), whose sum is σ = 28986265800. Its totient is φ = 27047843200.

The previous prime is 28016947219. The next prime is 28016947307. The reversal of 28016947241 is 14274961082.

It can be written as a sum of positive squares in 4 ways, for example, as 396169216 + 27620778025 = 19904^2 + 166195^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-28016947241 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 28016947192 and 28016947201.

It is not an unprimeable number, because it can be changed into a prime (28016917241) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 239291 + ... + 336591.

It is an arithmetic number, because the mean of its divisors is an integer number (3623283225).

Almost surely, 2^28016947241 is an apocalyptic number.

It is an amenable number.

28016947241 is a deficient number, since it is larger than the sum of its proper divisors (969318559).

28016947241 is an equidigital number, since it uses as much as digits as its factorization.

28016947241 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 107259.

The product of its (nonzero) digits is 193536, while the sum is 44.

The spelling of 28016947241 in words is "twenty-eight billion, sixteen million, nine hundred forty-seven thousand, two hundred forty-one".